Correct answer: Nd41...Q:g6 2.Bc7# 1.Nb2?? (2.Bc7#) 1...Bg2 2.Qd7# 1...Re5/Qe6 2.Nc4# but 1...R:d5! 1.Nc3?? (2.Bc7#) 1...Qe6/R